add basic D-BUS configuration mechanism

Also move LookupDeviceIntRec into the DIX, and add InputOption type, and
NewInputDeviceRequest prototype (DIX requests DDX to add a device).  Does not
link without an implemented NIDR.

include/config.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright © 2006 Daniel Stone
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders and/or authors
+ * not be used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.  The copyright holders
+ * and/or authors make no representations about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or
+ * implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS AND/OR AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND/OR AUTHORS BE LIABLE
+ * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+void configInitialise(void);
+void configFini(void);
+void configDispatch(void);
+
+#endif /* CONFIG_H */